Added key detection

2026-07-27 17:20:54 +01:00
parent 0f97ae9293
commit 896aee7ebd
4 changed files with 44 additions and 4 deletions
@@ -0,0 +1,36 @@
+package js_input
+
+import "core:sys/wasm/js"
+import "core:log"
+
+DEFAULT_INPUT_EVENT_CALLBACKS :: Input_Event_Callbacks{
+    key_down = register_key_down_callback,
+    key_up   = register_key_up_callback,
+}
+
+Input_State :: struct {
+    // store keys
+}
+
+Input_Event_Callbacks :: struct {
+    key_down: proc(e: js.Event),
+    key_up: proc(e: js.Event),
+}
+
+init_input :: proc(input: ^Input_State, callbacks := DEFAULT_INPUT_EVENT_CALLBACKS) {
+    js.add_document_event_listener(js.Event_Kind.Key_Down, input, callbacks.key_down)
+    js.add_document_event_listener(js.Event_Kind.Key_Up, input, callbacks.key_up)
+}
+
+register_key_down_callback :: proc(event: js.Event) {
+    log.infof("Key down: %s", event.key.key)
+}
+
+register_key_up_callback :: proc(event: js.Event) {
+    d := get_user_data_as(Input_State, event)
+    log.infof("Key up: %s", event.key.key)
+}
+
+get_user_data_as :: proc($T: typeid, e: js.Event) -> ^T {
+    return cast(^T)e.user_data
+}
@@ -1,17 +1,21 @@
 package game

-import js_console "../lib/odin/js_console"
+import "../lib/odin/js_console"
+import "../lib/odin/js_input"
 import log "core:log"
 import "base:runtime"

+input_state: js_input.Input_State
+
 init :: proc(ctx: ^runtime.Context) {
    ctx.logger = js_console.create_js_console_logger()
    log.info("Initialized")
+
+    js_input.init_input(&input_state)
 }

 // return false to exit
 update :: proc() -> bool {
-    log.info("Running frame")
    return true
 }

@@ -9,7 +9,7 @@
 </head>

 <body>
-<script type="text/javascript" src="consoleApi.js"></script>
+<script type="text/javascript" src="jsApi.js"></script>
 <script type="text/javascript" src="odin.js"></script>
 <script type="text/javascript">
    "use strict";
@@ -17,7 +17,7 @@
        let mem = new odin.WasmMemoryInterface()

        let apis = {
-            'console_api' : new ConsoleApi(mem),
+            console_api : new ConsoleApi(mem),
        };

        await odin.runWasm("./game.wasm", null, apis, mem);